Home / 7,939.92-11,910.19-2,394.06

Finding the Fourth Proportional to 7,939.92, 11,910.19 and 2,394.06

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Solution

The fourth proportional to 7,939.92, 11,910.19 and 2,394.06 is: 3,591.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.92 : 11,910.19 = 2,394.06 : x
  2. Step 2: Convert to fraction form
    7,939.92/11,910.19 = 2,394.06/x
  3. Step 3: Cross multiply
    7,939.92x = 11,910.19 × 2,394.06
  4. Step 4: Simplify right side
    7,939.92x = 28,513,663.31
  5. Step 5: Solve for x
    x = 28,513,663.31/7,939.92
  6. Step 6: Final answer
    x = 3,591.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.